https://wiki.sarg.dev/index.php?action=history&feed=atom&title=Cryptographic_Message_Syntax 2026-04-17T01:14:41Z Revision history for this page on the wiki MediaWiki 1.44.2 https://wiki.sarg.dev/index.php?title=Cryptographic_Message_Syntax&diff=275880&oldid=prev 2025-02-20T07:10:46Z

<p>Adding local <a href="https://en.wikipedia.org/wiki/Short_description" class="extiw" title="wikipedia:Short description">short description</a>: &quot;International standard&quot;, overriding Wikidata description &quot;cryptographic standard&quot;</p> <p><b>New page</b></p><div>{{Short description|International standard}}<br /> {{third-party |date=April 2024}}<br /> The &#039;&#039;&#039;Cryptographic Message Syntax&#039;&#039;&#039; (&#039;&#039;&#039;CMS&#039;&#039;&#039;) is the [[IETF]]&#039;s standard for [[Cryptography|cryptographically]] protected messages. It can be used by cryptographic schemes and protocols to [[Digital signature|digitally sign]], [[Cryptographic hash function|digest]], [[Message authentication code|authenticate]] or [[encryption|encrypt]] any form of digital data.<br /> <br /> CMS is based on the syntax of [[PKCS_7|PKCS #7]], which in turn is based on the [[Privacy-Enhanced Mail]] standard. The newest version of CMS ({{As of|2024|lc=on}}) is specified in {{IETF RFC|5652}} (but also see {{IETF RFC|5911}} for updated ASN.1 modules conforming to ASN.1 2002 and {{IETF RFC|8933}} and {{IETF RFC|9629}} for updates to the standard).<br /> <br /> The architecture of CMS is built around [[X.509|certificate-based]] key management, such as the profile defined by the [[PKIX]] [[working group]]. CMS is used as the key cryptographic component of many other cryptographic standards, such as [[S/MIME]], [[PKCS 12|PKCS #12]] and the {{IETF RFC|3161}} [[digital timestamping]] protocol.<br /> <br /> [[OpenSSL]] is [[Open-source software|open source]] software that can encrypt, decrypt, sign and verify, compress and uncompress CMS documents, using the &lt;code&gt;openssl-cms&lt;/code&gt; command.<br /> <br /> ==Norms and Standards==<br /> Cryptographic Message Syntax (CMS) is regularly updated to address evolving security needs and emerging cryptographic algorithms. <br /> * {{IETF RFC|8933}} (Update to the Cryptographic Message Syntax (CMS) for Algorithm Identifier Protection)<br /> * {{IETF RFC|5652}} (Cryptographic Message Syntax (CMS), in use)<br /> * {{IETF RFC|3852}} (Cryptographic Message Syntax (CMS), obsolete)<br /> * {{IETF RFC|3369}} (Cryptographic Message Syntax (CMS), obsolete)<br /> * {{IETF RFC|2630}} (Cryptographic Message Syntax, obsolete)<br /> * {{IETF RFC|6268}} (New ASN.1 Modules for Cryptographic Message Syntax (CMS) and S/MIME, in use)<br /> * {{IETF RFC|5911}} (New ASN.1 Modules for Cryptographic Message Syntax (CMS) and S/MIME, updated)<br /> * {{IETF RFC|5753}} (Using Elliptic Curve Cryptography with CMS, in use)<br /> * {{IETF RFC|3278}} (Use of Elliptic Curve Cryptography (ECC) Algorithms in Cryptographic Message Syntax (CMS), obsolete)<br /> * {{IETF RFC|5084}} (Using AES-CCM and AES-GCM Authenticated Encryption in the Cryptographic Message Syntax (CMS), in use)<br /> * {{IETF RFC|9629}} (Using Key Encapsulation Mechanism (KEM) Algorithms in the Cryptographic Message Syntax (CMS), in use)<br /> <br /> ==See also==<br /> * [[CAdES (computing)|CAdES]] - CMS Advanced Electronic Signatures<br /> * [[S/MIME]]<br /> * [[PKCS_7|PKCS #7]]<br /> <br /> {{Cryptography navbox}}<br /> <br /> [[Category:Cryptographic protocols]]<br /> [[Category:Internet Standards]]<br /> <br /> <br /> {{Crypto-stub}}</div>

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